Grade 10 IGCSE Biology_Osmosis Quiz

What is osmosis?

• The diffusion of water

• The release of energy

• The absorption of nutrients

• The movement of sugars

What type of membrane allows only certain molecules to pass through?

• Partially permeable membrane

• Fully permeable membrane

• Impermeable membrane

In which direction does water move during osmosis?

• Randomly

• In a circular motion

• Down the concentration gradient

• Against the concentration gradient

What happens when the water concentration is higher in the potato than in the petri dish?

• Water moves into the petri dish

• No movement occurs

• Water moves into the potato

• Water evaporates

What is a solute?

• The liquid in which a solute dissolves

• The substance that dissolves in a liquid

• The mixture formed when a solute is dissolved

• The process of dissolving

What is a solvent?

• The substance that dissolves

• The liquid in which a solute dissolves

• The process of osmosis

• The solid that forms in a solution

What occurs when there is the same water concentration in both the petri dish and potato?

• 
• 
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What is the term for the mixture formed when a solute is dissolved in a solvent?

• Suspension

• Solute

• Solvent

• Solution

Why is water important for living organisms?

• It provides structural support

• It acts as a fuel source

• It helps in digestion

• It acts as a solvent for many substances

What is the effect of osmosis on animal cells?

• They remain unchanged

• They shrink or swell

• They become turgid

• They burst